gecko-dev/toolkit/components/extensions/MatchGlob.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_extensions_MatchGlob_h
#define mozilla_extensions_MatchGlob_h
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/MatchGlobBinding.h"
#include "jspubtd.h"
#include "js/RootingAPI.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsISupports.h"
#include "nsWrapperCache.h"
namespace mozilla {
namespace extensions {
class MatchPattern;
class MatchGlob final : public nsISupports, public nsWrapperCache {
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(MatchGlob)
static already_AddRefed<MatchGlob> Constructor(dom::GlobalObject& aGlobal,
const nsAString& aGlob,
bool aAllowQuestion,
ErrorResult& aRv);
bool Matches(const nsAString& aString) const;
bool IsWildcard() const { return mIsPrefix && mPathLiteral.IsEmpty(); }
void GetGlob(nsAString& aGlob) const { aGlob = mGlob; }
nsISupports* GetParentObject() const { return mParent; }
virtual JSObject* WrapObject(JSContext* aCx,
JS::HandleObject aGivenProto) override;
protected:
virtual ~MatchGlob();
private:
friend class MatchPattern;
explicit MatchGlob(nsISupports* aParent) : mParent(aParent) {}
void Init(JSContext* aCx, const nsAString& aGlob, bool aAllowQuestion,
ErrorResult& aRv);
nsCOMPtr<nsISupports> mParent;
// The original glob string that this glob object represents.
nsString mGlob;
// The literal path string to match against. If this contains a non-void
// value, the glob matches against this exact literal string, rather than
// performng a pattern match. If mIsPrefix is true, the literal must appear
// at the start of the matched string. If it is false, the the literal must
// be exactly equal to the matched string.
nsString mPathLiteral;
bool mIsPrefix = false;
// The regular expression object which is equivalent to this glob pattern.
// Used for matching if, and only if, mPathLiteral is non-void.
JS::Heap<JSObject*> mRegExp;
};
class MatchGlobSet final : public nsTArray<RefPtr<MatchGlob>> {
public:
// Note: We can't use the nsTArray constructors directly, since the static
// analyzer doesn't handle their MOZ_IMPLICIT annotations correctly.
MatchGlobSet() = default;
explicit MatchGlobSet(size_type aCapacity) : nsTArray(aCapacity) {}
explicit MatchGlobSet(const nsTArray& aOther) : nsTArray(aOther) {}
MOZ_IMPLICIT MatchGlobSet(nsTArray&& aOther) : nsTArray(std::move(aOther)) {}
MOZ_IMPLICIT MatchGlobSet(std::initializer_list<RefPtr<MatchGlob>> aIL)
: nsTArray(aIL) {}
bool Matches(const nsAString& aValue) const;
};
} // namespace extensions
} // namespace mozilla
#endif // mozilla_extensions_MatchGlob_h